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How does the sympathetic nervous system cause tachycardia

A 35-year-old male asked:
Dr. Donald Colantino
Internal Medicine 61 years experience
Possibly: Your system is in a high strung state and could cause muscle tightness and tension. I assume you have had endocrinology testing to rule out hyperthyro... Read More

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A 39-year-old female asked:
Dr. Alan Ali
Dr. Alan Alianswered
Psychiatry 32 years experience
Dysautonomia: Some causes can be Adrenal fatigue, heart disease, High blood pressure, chronic fatigue, food sensitivities, fibromyalgia, alcoholism, anxiety, depres... Read More
A 35-year-old male asked:
Dr. Amrit Singh
Cardiology 51 years experience
It dosnt: Effect last 6 hrs anything beyond next day is due to anxiety dehydration or any other medical reason
A 39-year-old female asked:
Dr. Oliver Lawless
Specializes in Rheumatology
Possibly: rittalin is a stimulant affecting the nervous system as well as the autonomic system
A 39-year-old female asked:
Dr. Alan Ali
Dr. Alan Alianswered
Psychiatry 32 years experience
Dysautonomia: Several, such as Adrenal fatigue, Headaches, Hypertension, Heart disease, Food sensitivities, Chronic fatigue, Fibromyalgia, Depression, Anxiety, Alco... Read More
A 27-year-old male asked:
Dr. Clarence Grim
Endocrinology 57 years experience
Tachycardia standing: This is a normal response and it should slow down in a few minutes. Other reasons would be salt depletion due to sweating or anemia. Blood pressure ... Read More
A 36-year-old female asked:
Dr. Nellmarie Bodenstein
A Verified Doctoranswered
A US doctor answeredLearn more
Low heart rate: Parasympathetic nervous system is good, this means you are relaxed. If the pulse rate is low, it might be that you are very fit, genetic, or problems ... Read More
A 37-year-old member asked:
Dr. Mark Fisher
Neurology 34 years experience
No: Positive inotropic and chronotropic effects are created by the sympathetic nervous system. Negative inotropic and chronotropic effects are created by ... Read More
A 35-year-old male asked:
Dr. Rick Barnett
Clinical Psychology 18 years experience
With Continuous Use: Stimulants activate the nervous system and overuse on a daily basis may make one feel on "overdrive". Discontinuing regular use may actually leave one... Read More
A 41-year-old member asked:
Dr. Thomas Knecht
A Verified Doctoranswered
A US doctor answeredLearn more
Yes: Hi. Yes, the adrenal medulla is the hormonal arm of the sympathetic nervous system (it is a component of the sympathetic nervous system). It helps med... Read More

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